Yes. You will need a supported Dynon software version installed in your avionics to be able to view ADS-B traffic and weather in ForeFlight. Contact Dynon for software version details.
When receiving ADS-B from Dynon, you'll see two tiles when you look in the ForeFlight app under MORE > DEVICES.
Image 1. When connected to a Dynon with a supported software version, you will see two separate tiles in the ForeFlight app under MORE > DEVICES.